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PS20/25B 2 mod 25 tooth Metric Pitch Plastic Spur Gear (30% glass filled nylon6) with Boss

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Excl. Tax: £11.59 Incl. Tax: £13.91
Spur Gear 2mod - 20° p.a.  in 30% Glass Filled Nylon 6.
Bore unmachined typically 0.5-1mm undersized
Standard tolerances, unless otherwise stated ±0.25mm.
A gear is a rotating machine part having cut teeth which mesh with another toothed gear of the same pitch to transmit torque. Two or more gears working in tandem are called a transmission and can produce a mechanical advantage through a gear ratio and thus may be considered a simple machine. Geared devices can change the speed, torque, and direction of a power source. The most common situation is for a gear to mesh with another gear, however, a gear can also mesh with a non-rotating toothed part called a rack, thereby producing translation instead of rotation.
An advantage of gears is that the teeth of a gear prevent slippage. When two gears mesh, and one gear is bigger than the other (even though the size of the teeth must match), a mechanical advantage is produced, with the rotational speeds and the torques of the two gears differing in an inverse relationship.

Spur Gear Diagram 
  • Bore dia (Approx.) - 10mm

  • dp - Pitch dia - 50mm

  • dm - Boss dia - 35mm

  • de - Outside dia - 54mm

  • A - Overall width - 35mm

  • B - Face width - 20mm

  • Please note - All dimensions including bore sizes are subject to change. If a dimension is critical to your application please contact us for confirmation.

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